Justin Bieber's night out in New York over the weekend (03-04Aug13) ended in a brawl as members of his entourage allegedly became embroiled in a scuffle with other partygoers.

The teenage singer went to a nightclub in Southampton in the early hours of Saturday morning with a group of friends and four bodyguards, but the outing descended into chaos when Bieber allegedly became drawn into a verbal spat with another clubber inside the venue.

A source tells the New York Daily News the star "ripped his shirt off and went nuts. He was screaming," before he was ushered outside to the parking lot by his security team.

The publication reports a scuffle then ensued inside the South Pointe nightclub, but a representative for the singer insists Bieber was not caught up in the chaos, saying, "Justin was not involved in any altercation."

An employee of the club confirmed there had been an "incident" at the venue, but insisted security footage was being reviewed in order to determine exactly what happened.